This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 866 |
| 2 | 9271 |
| 3 | 18167 |
| 4 | 30887 |
| 5 | 39959 |
| 6 | 114607 |
| 7 | 119279 |
| 8 | 129911 |
| 9 | 153631 |
| 10 | 239111 |
| 11 | 343207 |
| 12 | 517591 |
| 13 | 582583 |
| 14 | 602159 |
| 15 | 607340 |
| 16 | 1202282 |
| 17 | 1397863 |
| 18 | 1729999 |
| 19 | 1920647 |
| 20 | 2533183 |
| 21 | 2547119 |
| 22 | 2558183 |
| 23 | 5740127 |
| 24 | 7122959 |
| 25 | 9379871 |
| 26 | 10218407 |
| 27 | 10891103 |
| 28 | 13549399 |